Pith Number

pith:RS3XD6XC

pith:2013:RS3XD6XCKZH4PINDMBB5D26KUA

not attested not anchored not stored refs pending

A useful way to obtain the central charge of entanglement Hamiltonian -- Nested entanglement entropy

Shu Tanaka

arxiv:1307.1939 v1 · 2013-07-08 · cond-mat.stat-mech · cond-mat.str-el · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RS3XD6XCKZH4PINDMBB5D26KUA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:14:49.637455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb771fae2564fc7a1a36043d1ebcaa016f0992a312addb7e8d4e5942add2142

Aliases

arxiv: 1307.1939 · arxiv_version: 1307.1939v1 · doi: 10.48550/arxiv.1307.1939 · pith_short_12: RS3XD6XCKZH4 · pith_short_16: RS3XD6XCKZH4PIND · pith_short_8: RS3XD6XC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RS3XD6XCKZH4PINDMBB5D26KUA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8cb771fae2564fc7a1a36043d1ebcaa016f0992a312addb7e8d4e5942add2142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16f5cb69ba2d12d6c42bf52bca8bf37cccd442adb18492649eac632ff86e2281",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2013-07-08T03:17:27Z",
    "title_canon_sha256": "e57acdca311c3455eaeebdbf1a3dd8f8aa79189b1467aec4620f109ba689b191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1939",
    "kind": "arxiv",
    "version": 1
  }
}